Action Bearing Co.
201 Brighton Ave., Boston, MA 02134 US
Phone: 800.225.4587 • Fax: 800.252.1996
E-Mail: info@actionbearing.com • Web site: www.actionbearing.com
All Categories > Roller Bearings > Needle Roller Bearings > Heavy Duty Needle Roller Bearings > MR Series Heavy Duty Needle Roller Bearings with Inner Ring > Inner Ring Part No. MI-21-N  


Inner Ring Part No. MI-21-N, MR Series Heavy Duty Needle Roller Bearings with Inner Ring
List Price QUOTE

Outer Ring and roller assembly with separable inner ring
Outer ring and roller assemblies and associated inner rings are packed and shipped separately. For a complete bearing, Specify both outer and inner numbers desired.



 Specifications 

Military Standard Number
MS 500072-17

(B) Shaft Diameter
1.3125 in

(B) Dimension Tolerance
+0.0000/-0.0005

(D) Dimension
2.1875 in

(D) Dimension Tolerance
+0.0000/-0.0006

(W) Dimension
1.000 in

(W) Dimension Tolerance
+0.000/-0.005

(W1) Dimension
1.010 in

(W1) Dimension Tolerance
+0.000/-0.005

(H) Hole Dia.
3/32 in

(R) Max. Fillet for Shaft & Housing
0.060 in

Stationary Shaft Dia.
1.3121 in

Stationary Shaft Dia. Tolerance
+0.0000/-0.0005

Rotating Shaft Dia.
1.3130 in

Rotating Shaft Dia. Tolerance
+0.0000/-0.0005

Stationary Housing Bore Dia.
2.1882 in

Stationary Housing Bore Dia. Tolerance
+0.0000/-0.0005
+0.0000/-0.0007

Rotating Housing Bore Dia.
2.1871 in

Rotating Housing Bore Dia. Tolerance
+0.0000/-0.0007

Static Load Rating
16400 lb

Basic Dynamic Rating
10600 lb

Complete Assembly Item #
MR-26-N